Hargassner GmbH ECO-HK 120 Multifuel
Hargassner GmbH ECO-HK 120 Multifuel is a non-catalytic hydronic heater from Hargassner GmbH certified at 2.01 g/hr particulate emissions with 88% HHV efficiency and a 53,054–416,833 BTU/h output range.
| Appliance type | hydronic-heater |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Wood Pellets |
| Covered model numbers | ECO-HK 120 Multifuel |
| Emission rate | 2.01 g/hr |
|---|---|
| Carbon monoxide | 0.031 g/min |
| Efficiency (HHV) | 88 % |
|---|
| Heat output (low) | 53054 BTU/h |
|---|---|
| Heat output (high) | 416833 BTU/h |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 27HH-20 |
What space does the Hargassner GmbH ECO-HK 120 Multifuel suit?
- Certified burning Wood Pellets .
Similar hydronic heaters
Frequently asked questions
Is the Hargassner GmbH ECO-HK 120 Multifuel EPA certified?
Yes, the Hargassner GmbH ECO-HK 120 Multifuel is on the EPA's current list of certified wood heaters (certification number 27HH-20) and meets the 2020 NSPS Step 2 emission limits.
What is the Hargassner GmbH ECO-HK 120 Multifuel's emission rate?
The Hargassner GmbH ECO-HK 120 Multifuel is certified at 2.01 grams of particulates per hour (tested with wood pellets). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
Does the Hargassner GmbH ECO-HK 120 Multifuel qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The Hargassner GmbH ECO-HK 120 Multifuel's certified efficiency is 88% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)